The Ricca Chemical papanicolaou stain with a composition of 77.54% ethyl alcohol, 18.20% water, 3.88% methyl alcohol, 0.36% orange G and 0.02% phosphotungstic acid hydrate, is vital in cervical cancer screening. It is very helpful in differentiating gynecologic and non-gynecologic cytology smear. It can be stored at a temperature of 15 to 30 degree C.